
Senior IT Systems Administrator
Job Description
Posted on: April 17, 2026
We are seeking a lead/architect level IT Systems Administrator for a full time permanent position based out of Montreal. The ideal candidate will be able to work 1-3 days onsite per week. Candidates located within driving distance to Montreal are welcome to visit the office monthly or quarterly.
In this role you will be responsible for the design, implementation, and management of server infrastructure, hosted primarily in Microsoft Azure. This role combines high-level system architecture with hands-on administration across Windows environments, ensuring the infrastructure is secure, reliable, and optimized for the company's evolving needs.
Essential Duties and Responsibilities:
- Lead the ongoing design and implementation of improvements to our Azure infrastructure, ensuring that it remains scalable, secure, and cost-efficient.
- Collaborate with key stakeholders to identify areas for optimization, enhance system performance, and ensure the infrastructure evolves to meet changing business needs.
- Oversee the administration of Azure resources, including virtual machines, storage, networking, and identity management.
- Ensure ongoing optimization for performance, security, and cost-effectiveness.
- Manage day-to-day administration of Windows Server environments and Unix appliances, ensuring high availability, performance, and system health.
- Troubleshoot and resolve issues promptly, coordinating with other teams as necessary.
- Leverage tools such as PowerShell, Azure Automation, and Ansible to automate repetitive tasks, streamline infrastructure management, and ensure efficient deployment processes.
- Ensure the security of infrastructure by implementing robust access controls and adhering to best security practices for both Azure and on-premises systems.
- Collaborate closely with the Security team to continuously monitor systems for vulnerabilities and ensure compliance.
- Coordinate efforts to remediate security issues and maintain a proactive, security-first posture.
- Proactively monitor the performance of both Azure-hosted and on-premises systems, identifying bottlenecks, performance issues, and opportunities for improvement.
- Ensure the ongoing health and availability of backup systems and disaster recovery plans.
- Monitor, test, and maintain existing backup and recovery strategies to ensure data integrity and business continuity.
- Provide leadership and mentorship to junior technical team members by sharing knowledge of best practices and cloud technologies.
- Partner with development, operations, and other technical teams to ensure infrastructure aligns with application requirements and business objectives.
- Lead infrastructure projects and initiatives to support new services or major system updates.
Skills & Experience:
- 7+ years of experience in systems administration with a strong background in Azure and hybrid cloud environments.
- Extensive experience managing Windows Server environments including Active Directory, Exchange Server, Hyper-V, etc.) as well as Unix-based systems.
- Experience with Azure services including VMs, AVD, App Services, Storage, Identity, Monitoring, Azure Active Directory, etc.
- Strong experience with PowerShell, Azure Automation, Ansible, or other tools to automate and streamline processes.
- Solid understanding of Azure architecture, with hands-on experience optimizing and maintaining cloud infrastructure for cost, performance, and scalability.
- Strong troubleshooting and analytical skills, with the ability to resolve complex issues across both Windows and Unix environments.
- Excellent interpersonal and communication skills for working cross-functionally with teams and stakeholders.
What we offer:
- Group Insurance Benefits
- Competitive salary
- Job security
- Wellness Incentive Program and an Employee Assistance Program.
- RRSP matching program.
- Flextime, summer hours, paid vacation, personal time off.
- Lively work environment, rich with social events.
- On-going learning opportunities.
Please apply today!
Apply now
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